Specifications

Sensor type

• Pt1000 Class A Platinum resistance thermometer (PRT)

Sensor connection

• 4-wire

Sensor housing

• aluminium disk

Sensor and cable

• -40 °C to +150 °C

Connector

• -40 °C to +80 °C

Measurement accuracy

• ± (0.15 + 0.002∙T) °C

Compliance

• IEC 61724-1:2021, Class A

Number of sensors required

• 3 per monitoring station required, minimum 6 per PV system, depending on the size of the system as per IEC 61724-1

IP protection class

• IP67

Disk material

• anodized aluminium

Disk diameter

• 25 x 10⁻³ m

Disk thickness

• 5.5 x 10⁻³ m

Insulation resistance

• > 2 GΩ at 1 kV as per IEC 60060-1

Adhesive material

• acrylic sticker

Adhesive thickness

• 0.13 × 10⁻³ m

Total heat transfer coefficient

• > 500 W/(m2∙K) as required in IEC 61724-1

Cable length

• 1 m

Cable extension

• to preferred length, should be extended by the user

Cable diameter

• 2.5 × 10⁻³ m

Connector type

• 4P, male M12-A connector

Cable connector

• 4P or 5P female M12-A connector

Unique features and benefits

• high measurement accuracy 
• compliant with requirements of IEC 61724-1 for Class A systems
• disk adhesive rated for prolonged outdoor use
• small surface area to minimise impact on bifacial modules
• thin cable for routing between cells of bifacial modules
• thin cable minimises the mechanical force on the adhesive connecting the sensor to the module
• easily extendable cable
• ingress protection class: IP67